DS1603
DS1603 TRI-STATE Dual Receiver
Literature Number: SNOSBK2A
DS1603
TRI-STATE ® Dual Receiver
General Description
The DS16033 is a dual differential TRI-STATE line receiver
designed for a broad range of system applications. It features a high input impedance and low input current which
reduces the loading effects on a digital transmission line,
making it ideal for use in party line systems and general
purpose applications like transducer preamplifiers, level
translators and comparators.
The receivers feature a ± 25 mV input sensitivity specified
over a ± 3V common mode range. Input protection diodes
are incorporated in series with the collectors of the differential stage. These diodes are useful in applications that have
multiple VCC+ supplies or VCC+ supplies that are turned off
thus avoiding signal clamping. In addition, TTL compatible
strobe and control lines are provide for flexibility in the application.
The DS1603 is pin compatible with the DS75107 dual line
receiver.
Features
n
n
n
n
n
n
n
n
Diode protected input stage for power “OFF” condition
17 ns typ high speed
TTL compatible
± 25 mV input sensitivity
± 3V input common-mode range
High-input inpedance with normal VCC, or VCC = 0V
Strobes for channel selection
TRI-STATE outputs for high speed buses
Connection Diagram
Dual-In-Line Package
DS005781-2
Top View
For Complete Military 883 Specifications, See RETS Data Sheet.
Order Number: DS1603J/883 or DS1603W/883
See NS Package Number J14A
TRI-STATE ® is a registered trademark of National Semiconductor Corporation.
© 2001 National Semiconductor Corporation
DS005781
www.national.com
DS1603 TRI-STATE Dual Receiver
May 1999
DS1603
Absolute Maximum Ratings (Note 2)
± 5V
Common Mode Input Voltage
Strobe Input Voltage
5.5V
Storage Temperature Range
−65˚C to +150˚C
Maximum Power Dissipation (Note 1) at 25˚C
Cavity Package
1308 mW
Molded Package
1207 mW
Lead Temperature (Soldering, 4 sec)
260˚C
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (VCC+)
Supply Voltage (VCC−)
Differential Input Voltage
7V
−7V
± 6V
Operating Conditions
DS1603
Min
Nom
Max
4.5V
5V
5.5V
Supply Voltage VCC−
−4.5V
−5V
−5.5V
Operating Temperature Range
−55˚C
to
+125˚C
Supply Voltage VCC+
Note 1: Derate cavity package 8.7 mW/˚C; derate molded package 9.7 mW/˚C above 25˚C.
Electrical Characteristics (Notes 3, 4)
TMIN ≤ TA ≤ TMAX
Symbol
IIH
Parameter
Conditions
+
Min
−
Typ
Max
Units
30
75
µA
−10
µA
High Level Input Current
VCC = Max, VCC = Max,
into 1A, 1B, 2A or 2B
VID = 0.5V, VIC = −3V to 3V
Low Level Input Current
VCC+ = Max, VCC− = Max,
into 1A, 1B, 2A or 2B
VID = −2V, VIC = −3V to 3V
High Level Input Current
VCC+ = Max
VIH(S) = 2.4V
40
µA
into 1G, 2G or D
VCC− = Max
VIH(S) = Max VCC+
1
mA
IIL
Low Level Input Current
VCC+ = Max, VCC− = Max,
−1.6
mA
into D
VIL(D) = 0.4V
IIL
Low Level Input Current
VCC+ = Max,
VIH(D) = 2V
−40
µA
into 1G or 2G
VCC− = Max,
VIL(D) = 0.8V
−1.6
mA
IIL
IIH
VIL(G) = 0.4V
VOH
High Level Output Voltage
VCC+ = Min, VCC− = Min,
ILOAD = −2 mA, VID = 25 mV,
2.4
V
VIL(D) = 0.8V, VIC = −3V to 3V
VOL
Low Level Output Voltage
VCC+ = Min, VCC− = Min,
ISINK = 16 mA, VID = −25 mV,
0.4
V
VIL(D) = 0.8V, VIC = −3V to 3V
IOD
Output Disable Current
VCC+ = Max,
VOUT = 2.4V
40
µA
VCC− = Max,
VOUT = 0.4V
−40
µA
−70
mA
28
40
mA
−8.4
−15
mA
−1
−1.5
V
VIH(D) = 2V
IOS
Short Circuit Output Current
VCC+ = Max, VCC− = Max,
ICCH+
High Logic Level Supply
VCC+ = Max, VCC− = Max,
Current from VCC+
VID = 25 mV, TA = 25˚C
High Logic Level Supply
VCC+ = Max, VCC− = Max,
−18
VIL(D) = 0.8V (Note 5)
ICCH−
−
VI
Current from VCC
VID = 25 mV, TA = 25˚C
Input Clamp Voltage
VCC+ = Min, VCC− = Min,
on G or D
IIN = −12 mA, TA = 25˚C
Note 2: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. Except for “Operating Temperature Range”
they are not meant to imply that the devices should be operated at these limits. The table of “Electrical Characteristics” provides conditions for actual device
operation.
Note 3: Unless otherwise specified min/max limits apply across the −55˚C to +125˚C temperature range for the DS1603 and across the 0˚C to +70˚C range for the
DS3603. All typical values are for TA = 25˚C and VCC = 5V.
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2
(Continued)
Note 4: All current into device pins shown as positive, out of device pins as negative, all voltages referenced to ground unless otherwise noted. All values shown
as max or min on absolute value basis.
Note 5: Only one output at a time should be shorted.
Switching Characteristics
VCC+ = 5V, VCC− = −5V, TA = 25˚C
Symbol
tPLH(D)
Parameter
Propagation Delay Time, Low-to-
Conditions
Min
Typ
Max
Units
17
25
ns
17
25
ns
10
15
ns
8
15
ns
RL = 390Ω, CL = 5 pF
20
ns
RL = 390Ω, CL = 5 pF
30
ns
RL = 1k to 0V, CL = 50 pF
25
ns
RL = 390Ω, CL = 50 pF
25
ns
RL = 390Ω, CL = 50 pF, (Note 6)
High Level, from Differential
Inputs A and B to Output
tPHL(D)
Propagation Delay Time, High-to-
RL = 390Ω, CL = 50 pF, (Note 6)
Low Level, from Differential
Inputs A and B to Output
tPLH(S)
Propagation Delay Time, Low-to-
RL = 390Ω, CL = 50 pF
High Level, from Strobe Input G
to Output
tPHL(S)
Propagation Delay Time, High-to-
RL = 390Ω, CL = 50 pF
Low Level, from Strobe Input G
to Output
t1H
Disable Low-to-High to Output
High to Off
t0H
Disable Low-to-High to Output
Low to Off
tH1
Disable High-to-Low to Output
tH0
Disable High-to-Low to Output
Off to High
Off to Low
Note 6: Differential input is +100 mV to −100 mV pulse. Delays read from 0 mV on input to 1.5V on output.
3
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DS1603
Electrical Characteristics (Notes 3, 4)
DS1603
Typical Application
Line Receiver Used in a Party-Line or Data-Bus System
DS005781-3
Line receivers are
DS75107/DS75108
or DS3603
Line drivers are
SN75109/µA75110/DS75110
or DS8831
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4
DS1603
Schematic Diagram (Note 7)
DS005781-6
Note 7: ⁄ of the dual circuit is shown.
12
Note 8: *Indicates connections common to second half of dual circuit.
5
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DS1603
Physical Dimensions
inches (millimeters) unless otherwise noted
Ceramic Dual-In-Line Package (J)
Order Number DS1603J
NS Package Number J14A
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6
DS1603 TRI-STATE Dual Receiver
Physical Dimensions
inches (millimeters) unless otherwise noted (Continued)
Molded Dual-In-Line Package (N)
Order Number DS3603N
NS Package Number N14A
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